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All results from a given calculation for HNCCNH (Ethenediimine)

using model chemistry: B3LYP/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1AG
Energy calculated at B3LYP/cc-pVQZ
 hartrees
Energy at 0K-186.897983
Energy at 298.15K 
HF Energy-186.897983
Nuclear repulsion energy89.857862
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3LYP/cc-pVQZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3381 3276 0.00 807.98 0.31 0.47
2 Ag 2157 2090 0.00 25.07 0.42 0.60
3 Ag 1177 1140 0.00 25.06 0.61 0.76
4 Ag 937 908 0.00 43.34 0.19 0.32
5 Ag 304 294 0.00 2.81 0.58 0.73
6 Au 964 934 121.49 0.00 0.00 0.00
7 Au 253 245 0.01 0.00 0.00 0.00
8 Bg 674 653 0.00 4.35 0.75 0.86
9 Bu 3381 3276 6.95 0.00 0.00 0.00
10 Bu 1753 1698 175.46 0.00 0.00 0.00
11 Bu 1143 1107 388.94 0.00 0.00 0.00
12 Bu 282 273 5.91 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 8203.2 cm-1
Scaled (by 0.9688) Zero Point Vibrational Energy (zpe) 7947.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3LYP/cc-pVQZ
ABC
9.59541 0.14303 0.14093

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/cc-pVQZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.228 -0.605 0.000
C2 -0.228 0.605 0.000
N3 0.228 -1.844 0.000
N4 -0.228 1.844 0.000
H5 1.167 -2.248 0.000
H6 -1.167 2.248 0.000

Atom - Atom Distances (Å)
  C1 C2 N3 N4 H5 H6
C11.29201.23922.49041.89323.1756
C21.29202.49041.23923.17561.8932
N31.23922.49043.71561.02264.3233
N42.49041.23923.71564.32331.0226
H51.89323.17561.02264.32335.0664
H63.17561.89324.32331.02265.0664

picture of Ethenediimine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 N4 159.364 C1 N3 H5 113.308
C2 C1 N3 159.364 C2 N4 H6 113.308
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.076      
2 C 0.076      
3 N -0.275      
4 N -0.275      
5 H 0.198      
6 H 0.198      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.561 -7.176 0.000
y -7.176 -23.783 0.000
z 0.000 0.000 -23.005
Traceless
 xyz
x 2.833 -7.176 0.000
y -7.176 -2.000 0.000
z 0.000 0.000 -0.833
Polar
3z2-r2-1.666
x2-y23.221
xy-7.176
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.564 -2.001 0.000
y -2.001 11.245 0.000
z 0.000 0.000 3.386


<r2> (average value of r2) Å2
<r2> 80.185
(<r2>)1/2 8.955